<!-- Include Jquery--->
<script type="text/javascript" src="jquery-1.7.2.min.js"></script>

<script type="text/javascript">
  $(document).ready(function(){

     $('.onChangeHere').change( function (){
       alert(":) I am onChangeed")
     });


  });
</script>


<input class="onChangeHere" value="onChange Me.."><br>
<input class="onChangeHere" value="onChange Me.."><br>
<input class="onChangeHere" value="onChange Me.."><br>
<input class="onChangeHere" value="onChange Me.."><br>
